Category
page 1Solar System models
Sweden Solar System
world's largest permanent scale model of the Solar System
Monument to the Sun
monument in Zadar, Croatia

orrery
thumb|upright=1.2|A small orrery showing Earth and the inner planets
An orrery () is a mechanical model of the Solar System that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; however, since accurate scaling is often not practical due to the actual large ratio differences, it may use a scaled-down approximation. Mechanical planetary models are known to have existed since the Ancient Greeks, and are known by various names, but the term orrery is derived fr
tellurion
A tellurion (also spelled tellurian, tellurium, and yet another name is loxocosm), is a clock, typically of French or Swiss origin, surmounted by a mechanism that depicts how day, night, and the seasons are caused by the rotation and orientation of Earth on its axis and its orbit around the Sun. The clock normally also displays the phase of the Moon and the four-year (perpetual) calendar.
Nine Views
art installation in Zagreb, Croatia
Solar System model
model to illustrate the positions and motions of bodies in the Solar System